2012
quicktigame2d - 2D Game Engine Module for Titanium Mobile
by Xavier Lacot
QuickTiGame2d is a 2-dimensional game engine module for Titanium Mobile that provides quick and easy api to create casual 2d games on Titanium. It supports both iOS and Android.
2009
LÖVE - Free 2D Game Engine
by greut & 2 others
LÖVE is an unquestionably awesome 2D game engine, which allows rapid game development and prototyping in Lua.
I love umlaut.
2007
Mega System
by nachilau
CRM32Pro is an API built on top of SDL with everything you need to develop cross-platform 2D games: tiles, sprites, fonts, special effects, sound, music, timer, network, log system, video playback, XML parser, etc.
Aquatica Engine
by nachilau
An water rendering engine which used to render photo realistic water surface. It is only $15 for commercial liscense
Stratagus | Home
by jdrsantos
Stratagus is a free cross-platform real-time strategy gaming engine. It includes support for playing over the internet/LAN, or playing a computer opponent. The engine is configurable and can be used to create games with a wide-range of features ...
http://www.ofusiontechnologies.com/
by jdrsantos
oFusion is a true next-generation WYSWYG toolset for developing game content for the next generation of Ogre powered games.
2006
Luxinia 3D Engine
by nachilau
Luxinia is a 3D engine written in C that uses OpenGL, Lua, GLFW and OpenAL.
